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Aquarium Co-Op Weighted Air Stone

Regular price
$3.99
Sale price
$3.99
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  • Weighted to sink
  • Modular height
  • Easy to clean

Keep your aquarium well-oxygenated by using an air stone with your air pump. An air stone is used to diffuse the air into smaller bubbles that agitate the water surface and increase oxygen levels. We built our weighted air stones with little, modular discs that can be snapped together or removed to create the perfect size. Plus, its small diameter is perfect for fitting inside common air-driven devices, like sponge filters.

Customer Reviews

Based on 111 reviews
88%
(98)
8%
(9)
3%
(3)
1%
(1)
0%
(0)
M
Michael W. (Bridgewater, NJ, US)
Impressed

I got 4 of these airstones to give them a try and I am very impressed with them. I have been using them for a month and they have not degraded if flow whatsoever. I was worried about the bubbles being too large/loud however that is not the case. They have the same bubble size as the oase airstones I had laying around however those degrade fairly quick and clog. I suspect these will never clog and if they do a quick sink rinse will fix it as they are just solid plastic.

S
Solstice L. (Eastpointe, MI, US)
Great airflow and love the adjustability

I got the two pack of these recently and hooked them up. At first I was bummed one didn't fit, then remembered they are adjustable size. They are both giving great air flow.

E
Erysa
Blends in great

It's a perfect weight! I love that it does not need a plastic glass cling holder thing.(LOL) Which for some reason never stuck for me. However, this product will not float to the top. I also love that I can position it however I want in the tank and it not having to be up against the glass. The fish can actually go around the bubbles.

A
Andrew G. (Pewaukee, WI, US)
Aquarium Co-Op Weighted Air Stone

Awesome!!!!!!!!

N
Naomy R.

These airstones are great you can pop them apart and adjust the weight or clean out debris.

D
David D. (Port Richey, FL, US)
Co op weighted airstone

Works as expected, bigger bubbles than the Ziss airstone, but i'm hoping it won't clog as fast, it is running great so far. I'm planning to get more

J
Josh H. (Belvidere, IL, US)
Works great

Love these air stones! Great flow. Easier on the pump vs cheap air stones from other retailers.

A
Alexandria B.

Awesome air stone

M
Matthew H. (Silver Spring, MD, US)
Works great.

They work great. I am using three to experiment with how big or fine I want the bubbles in the back of the aquarium

J
James D. (Tampa, FL, US)
Basic, but effective.

When I ordered these air stones I guess I was under the assumption that they were more like the adjustable model. Somebody like the fact that they are weighted is convenient, however the size of the bubbles and it outputs are only useful for certain situations in my fish room. Still better than the basic AirStone I suppose, but I will be sticking with the adjustable.